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refactor: move code dealing with script files to runtime.c (#19734)

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vim-patch:8.1.1927: code for dealing with script files is spread out

Problem:    Code for dealing with script files is spread out.
Solution:   Move the code to scriptfile.c. (Yegappan Lakshmanan, closes vim/vim#4861)
307c5a5bb7
This commit is contained in:
zeertzjq 2022-08-12 15:41:43 +08:00 committed by GitHub
parent d4f5e0db3c
commit 103f10d901
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 1092 additions and 1091 deletions
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4
scripts/vim-patch.sh
View File

@ -245,6 +245,10 @@ preprocess_patch() {
LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/profiler\(\.[ch]\)/\1\/profile\2/g' \
"$file" > "$file".tmp && mv "$file".tmp "$file"
# Rename scriptfile.c to runtime.c
LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/scriptfile\(\.[ch]\)/\1\/runtime\2/g' \
"$file" > "$file".tmp && mv "$file".tmp "$file"
# Rename session.c to ex_session.c
LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/session\(\.[ch]\)/\1\/ex_session\2/g' \
"$file" > "$file".tmp && mv "$file".tmp "$file"

937
src/nvim/ex_cmds2.c
View File

@ -17,24 +17,17 @@
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/buffer.h"
#include "nvim/change.h"
#include "nvim/charset.h"
#include "nvim/debugger.h"
#include "nvim/eval/userfunc.h"
#include "nvim/eval/vars.h"
#include "nvim/ex_cmds.h"
#include "nvim/ex_cmds2.h"
#include "nvim/ex_eval.h"
#include "nvim/ex_getln.h"
#include "nvim/fileio.h"
#include "nvim/garray.h"
#include "nvim/lua/executor.h"
#include "nvim/mark.h"
#include "nvim/mbyte.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
#include "nvim/move.h"
@ -42,11 +35,9 @@
#include "nvim/ops.h"
#include "nvim/option.h"
#include "nvim/os/fs_defs.h"
#include "nvim/os/input.h"
#include "nvim/os/shell.h"
#include "nvim/os_unix.h"
#include "nvim/path.h"
#include "nvim/profile.h"
#include "nvim/quickfix.h"
#include "nvim/regexp.h"
#include "nvim/strings.h"
@ -54,26 +45,6 @@
#include "nvim/version.h"
#include "nvim/window.h"
/// Structure used to store info for each sourced file.
/// It is shared between do_source() and getsourceline().
/// This is required, because it needs to be handed to do_cmdline() and
/// sourcing can be done recursively.
struct source_cookie {
FILE *fp; ///< opened file for sourcing
char *nextline; ///< if not NULL: line that was read ahead
linenr_T sourcing_lnum; ///< line number of the source file
int finished; ///< ":finish" used
#if defined(USE_CRNL)
int fileformat; ///< EOL_UNKNOWN, EOL_UNIX or EOL_DOS
bool error; ///< true if LF found after CR-LF
#endif
linenr_T breakpoint; ///< next line with breakpoint or zero
char *fname; ///< name of sourced file
int dbg_tick; ///< debug_tick when breakpoint was set
int level; ///< top nesting level of sourced file
vimconv_T conv; ///< type of conversion
};
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "ex_cmds2.c.generated.h"
#endif
@ -1306,914 +1277,6 @@ void ex_compiler(exarg_T *eap)
}
}
/// ":options"
void ex_options(exarg_T *eap)
{
char buf[500];
bool multi_mods = 0;
buf[0] = NUL;
(void)add_win_cmd_modifers(buf, &cmdmod, &multi_mods);
os_setenv("OPTWIN_CMD", buf, 1);
cmd_source(SYS_OPTWIN_FILE, NULL);
}
/// ":source [{fname}]"
void ex_source(exarg_T *eap)
{
cmd_source(eap->arg, eap);
}
static void cmd_source(char *fname, exarg_T *eap)
{
if (eap != NULL && *fname == NUL) {
cmd_source_buffer(eap);
} else if (eap != NULL && eap->forceit) {
// ":source!": read Normal mode commands
// Need to execute the commands directly. This is required at least
// for:
// - ":g" command busy
// - after ":argdo", ":windo" or ":bufdo"
// - another command follows
// - inside a loop
openscript((char_u *)fname, global_busy || listcmd_busy || eap->nextcmd != NULL
|| eap->cstack->cs_idx >= 0);
// ":source" read ex commands
} else if (do_source(fname, false, DOSO_NONE) == FAIL) {
semsg(_(e_notopen), fname);
}
}
/// Concatenate VimL line if it starts with a line continuation into a growarray
/// (excluding the continuation chars and leading whitespace)
///
/// @note Growsize of the growarray may be changed to speed up concatenations!
///
/// @param ga the growarray to append to
/// @param init_growsize the starting growsize value of the growarray
/// @param p pointer to the beginning of the line to consider
/// @param len the length of this line
///
/// @return true if this line did begin with a continuation (the next line
/// should also be considered, if it exists); false otherwise
static bool concat_continued_line(garray_T *const ga, const int init_growsize,
const char_u *const p, size_t len)
FUNC_ATTR_NONNULL_ALL
{
const char *const line = (char *)skipwhite_len(p, len);
len -= (size_t)((char_u *)line - p);
// Skip lines starting with '\" ', concat lines starting with '\'
if (len >= 3 && STRNCMP(line, "\"\\ ", 3) == 0) {
return true;
} else if (len == 0 || line[0] != '\\') {
return false;
}
if (ga->ga_len > init_growsize) {
ga_set_growsize(ga, MIN(ga->ga_len, 8000));
}
ga_concat_len(ga, line + 1, len - 1);
return true;
}
typedef struct {
linenr_T curr_lnum;
const linenr_T final_lnum;
} GetBufferLineCookie;
/// ":source" and associated commands.
///
/// @return address holding the next breakpoint line for a source cookie
linenr_T *source_breakpoint(void *cookie)
{
return &((struct source_cookie *)cookie)->breakpoint;
}
/// @return the address holding the debug tick for a source cookie.
int *source_dbg_tick(void *cookie)
{
return &((struct source_cookie *)cookie)->dbg_tick;
}
/// @return the nesting level for a source cookie.
int source_level(void *cookie)
FUNC_ATTR_PURE
{
return ((struct source_cookie *)cookie)->level;
}
/// Special function to open a file without handle inheritance.
/// If possible the handle is closed on exec().
static FILE *fopen_noinh_readbin(char *filename)
{
#ifdef WIN32
int fd_tmp = os_open(filename, O_RDONLY | O_BINARY | O_NOINHERIT, 0);
#else
int fd_tmp = os_open(filename, O_RDONLY, 0);
#endif
if (fd_tmp < 0) {
return NULL;
}
(void)os_set_cloexec(fd_tmp);
return fdopen(fd_tmp, READBIN);
}
typedef struct {
char *buf;
size_t offset;
} GetStrLineCookie;
/// Get one full line from a sourced string (in-memory, no file).
/// Called by do_cmdline() when it's called from do_source_str().
///
/// @return pointer to allocated line, or NULL for end-of-file or
/// some error.
static char *get_str_line(int c, void *cookie, int indent, bool do_concat)
{
GetStrLineCookie *p = cookie;
if (STRLEN(p->buf) <= p->offset) {
return NULL;
}
const char *line = p->buf + p->offset;
const char *eol = (char *)skip_to_newline((char_u *)line);
garray_T ga;
ga_init(&ga, sizeof(char_u), 400);
ga_concat_len(&ga, line, (size_t)(eol - line));
if (do_concat && vim_strchr(p_cpo, CPO_CONCAT) == NULL) {
while (eol[0] != NUL) {
line = eol + 1;
const char_u *const next_eol = skip_to_newline((char_u *)line);
if (!concat_continued_line(&ga, 400, (char_u *)line, (size_t)(next_eol - (char_u *)line))) {
break;
}
eol = (char *)next_eol;
}
}
ga_append(&ga, NUL);
p->offset = (size_t)(eol - p->buf) + 1;
return ga.ga_data;
}
/// Create a new script item and allocate script-local vars. @see new_script_vars
///
/// @param name File name of the script. NULL for anonymous :source.
/// @param[out] sid_out SID of the new item.
///
/// @return pointer to the created script item.
scriptitem_T *new_script_item(char *const name, scid_T *const sid_out)
{
static scid_T last_current_SID = 0;
const scid_T sid = ++last_current_SID;
if (sid_out != NULL) {
*sid_out = sid;
}
ga_grow(&script_items, sid - script_items.ga_len);
while (script_items.ga_len < sid) {
script_items.ga_len++;
SCRIPT_ITEM(script_items.ga_len).sn_name = NULL;
SCRIPT_ITEM(script_items.ga_len).sn_prof_on = false;
}
SCRIPT_ITEM(sid).sn_name = (char_u *)name;
new_script_vars(sid); // Allocate the local script variables to use for this script.
return &SCRIPT_ITEM(sid);
}
static int source_using_linegetter(void *cookie, LineGetter fgetline, const char *traceback_name)
{
char *save_sourcing_name = sourcing_name;
linenr_T save_sourcing_lnum = sourcing_lnum;
char sourcing_name_buf[256];
if (save_sourcing_name == NULL) {
sourcing_name = (char *)traceback_name;
} else {
snprintf((char *)sourcing_name_buf, sizeof(sourcing_name_buf),
"%s called at %s:%" PRIdLINENR, traceback_name, save_sourcing_name,
save_sourcing_lnum);
sourcing_name = sourcing_name_buf; // -V507 reassigned below, before return.
}
sourcing_lnum = 0;
const sctx_T save_current_sctx = current_sctx;
if (current_sctx.sc_sid != SID_LUA) {
current_sctx.sc_sid = SID_STR;
}
current_sctx.sc_seq = 0;
current_sctx.sc_lnum = save_sourcing_lnum;
funccal_entry_T entry;
save_funccal(&entry);
int retval = do_cmdline(NULL, fgetline, cookie,
DOCMD_VERBOSE | DOCMD_NOWAIT | DOCMD_REPEAT);
sourcing_lnum = save_sourcing_lnum;
sourcing_name = save_sourcing_name;
current_sctx = save_current_sctx;
restore_funccal();
return retval;
}
static void cmd_source_buffer(const exarg_T *const eap)
FUNC_ATTR_NONNULL_ALL
{
if (curbuf == NULL) {
return;
}
garray_T ga;
ga_init(&ga, sizeof(char_u), 400);
const linenr_T final_lnum = eap->line2;
// Copy the contents to be executed.
for (linenr_T curr_lnum = eap->line1; curr_lnum <= final_lnum; curr_lnum++) {
// Adjust growsize to current length to speed up concatenating many lines.
if (ga.ga_len > 400) {
ga_set_growsize(&ga, MIN(ga.ga_len, 8000));
}
ga_concat(&ga, (char *)ml_get(curr_lnum));
ga_append(&ga, NL);
}
((char_u *)ga.ga_data)[ga.ga_len - 1] = NUL;
const GetStrLineCookie cookie = {
.buf = ga.ga_data,
.offset = 0,
};
if (curbuf->b_fname
&& path_with_extension((const char *)curbuf->b_fname, "lua")) {
nlua_source_using_linegetter(get_str_line, (void *)&cookie,
":source (no file)");
} else {
source_using_linegetter((void *)&cookie, get_str_line,
":source (no file)");
}
ga_clear(&ga);
}
/// Executes lines in `src` as Ex commands.
///
/// @see do_source()
int do_source_str(const char *cmd, const char *traceback_name)
{
GetStrLineCookie cookie = {
.buf = (char *)cmd,
.offset = 0,
};
return source_using_linegetter((void *)&cookie, get_str_line, traceback_name);
}
/// When fname is a 'lua' file nlua_exec_file() is invoked to source it.
/// Otherwise reads the file `fname` and executes its lines as Ex commands.
///
/// This function may be called recursively!
///
/// @see do_source_str
///
/// @param fname
/// @param check_other check for .vimrc and _vimrc
/// @param is_vimrc DOSO_ value
///
/// @return FAIL if file could not be opened, OK otherwise
int do_source(char *fname, int check_other, int is_vimrc)
{
struct source_cookie cookie;
char *save_sourcing_name;
linenr_T save_sourcing_lnum;
char *p;
char *fname_exp;
uint8_t *firstline = NULL;
int retval = FAIL;
int save_debug_break_level = debug_break_level;
scriptitem_T *si = NULL;
proftime_T wait_start;
bool trigger_source_post = false;
p = expand_env_save(fname);
if (p == NULL) {
return retval;
}
fname_exp = fix_fname(p);
xfree(p);
if (fname_exp == NULL) {
return retval;
}
if (os_isdir((char_u *)fname_exp)) {
smsg(_("Cannot source a directory: \"%s\""), fname);
goto theend;
}
// Apply SourceCmd autocommands, they should get the file and source it.
if (has_autocmd(EVENT_SOURCECMD, fname_exp, NULL)
&& apply_autocmds(EVENT_SOURCECMD, fname_exp, fname_exp,
false, curbuf)) {
retval = aborting() ? FAIL : OK;
if (retval == OK) {
// Apply SourcePost autocommands.
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, false, curbuf);
}
goto theend;
}
// Apply SourcePre autocommands, they may get the file.
apply_autocmds(EVENT_SOURCEPRE, fname_exp, fname_exp, false, curbuf);
cookie.fp = fopen_noinh_readbin(fname_exp);
if (cookie.fp == NULL && check_other) {
// Try again, replacing file name ".vimrc" by "_vimrc" or vice versa,
// and ".exrc" by "_exrc" or vice versa.
p = path_tail(fname_exp);
if ((*p == '.' || *p == '_')
&& (STRICMP(p + 1, "nvimrc") == 0 || STRICMP(p + 1, "exrc") == 0)) {
*p = (*p == '_') ? '.' : '_';
cookie.fp = fopen_noinh_readbin(fname_exp);
}
}
if (cookie.fp == NULL) {
if (p_verbose > 1) {
verbose_enter();
if (sourcing_name == NULL) {
smsg(_("could not source \"%s\""), fname);
} else {
smsg(_("line %" PRId64 ": could not source \"%s\""),
(int64_t)sourcing_lnum, fname);
}
verbose_leave();
}
goto theend;
}
// The file exists.
// - In verbose mode, give a message.
// - For a vimrc file, may want to call vimrc_found().
if (p_verbose > 1) {
verbose_enter();
if (sourcing_name == NULL) {
smsg(_("sourcing \"%s\""), fname);
} else {
smsg(_("line %" PRId64 ": sourcing \"%s\""),
(int64_t)sourcing_lnum, fname);
}
verbose_leave();
}
if (is_vimrc == DOSO_VIMRC) {
vimrc_found(fname_exp, "MYVIMRC");
}
#ifdef USE_CRNL
// If no automatic file format: Set default to CR-NL.
if (*p_ffs == NUL) {
cookie.fileformat = EOL_DOS;
} else {
cookie.fileformat = EOL_UNKNOWN;
}
cookie.error = false;
#endif
cookie.nextline = NULL;
cookie.sourcing_lnum = 0;
cookie.finished = false;
// Check if this script has a breakpoint.
cookie.breakpoint = dbg_find_breakpoint(true, (char_u *)fname_exp, (linenr_T)0);
cookie.fname = fname_exp;
cookie.dbg_tick = debug_tick;
cookie.level = ex_nesting_level;
// Keep the sourcing name/lnum, for recursive calls.
save_sourcing_name = sourcing_name;
sourcing_name = fname_exp;
save_sourcing_lnum = sourcing_lnum;
sourcing_lnum = 0;
// start measuring script load time if --startuptime was passed and
// time_fd was successfully opened afterwards.
proftime_T rel_time;
proftime_T start_time;
FILE * const l_time_fd = time_fd;
if (l_time_fd != NULL) {
time_push(&rel_time, &start_time);
}
const int l_do_profiling = do_profiling;
if (l_do_profiling == PROF_YES) {
prof_child_enter(&wait_start); // entering a child now
}
// Don't use local function variables, if called from a function.
// Also starts profiling timer for nested script.
funccal_entry_T funccalp_entry;
save_funccal(&funccalp_entry);
const sctx_T save_current_sctx = current_sctx;
si = get_current_script_id((char_u *)fname_exp, &current_sctx);
if (l_do_profiling == PROF_YES) {
bool forceit = false;
// Check if we do profiling for this script.
if (!si->sn_prof_on && has_profiling(true, si->sn_name, &forceit)) {
profile_init(si);
si->sn_pr_force = forceit;
}
if (si->sn_prof_on) {
si->sn_pr_count++;
si->sn_pr_start = profile_start();
si->sn_pr_children = profile_zero();
}
}
cookie.conv.vc_type = CONV_NONE; // no conversion
// Read the first line so we can check for a UTF-8 BOM.
firstline = (uint8_t *)getsourceline(0, (void *)&cookie, 0, true);
if (firstline != NULL && STRLEN(firstline) >= 3 && firstline[0] == 0xef
&& firstline[1] == 0xbb && firstline[2] == 0xbf) {
// Found BOM; setup conversion, skip over BOM and recode the line.
convert_setup(&cookie.conv, (char_u *)"utf-8", p_enc);
p = (char *)string_convert(&cookie.conv, (char_u *)firstline + 3, NULL);
if (p == NULL) {
p = xstrdup((char *)firstline + 3);
}
xfree(firstline);
firstline = (uint8_t *)p;
}
if (path_with_extension((const char *)fname_exp, "lua")) {
const sctx_T current_sctx_backup = current_sctx;
const linenr_T sourcing_lnum_backup = sourcing_lnum;
current_sctx.sc_sid = SID_LUA;
current_sctx.sc_lnum = 0;
sourcing_lnum = 0;
// Source the file as lua
nlua_exec_file((const char *)fname_exp);
current_sctx = current_sctx_backup;
sourcing_lnum = sourcing_lnum_backup;
} else {
// Call do_cmdline, which will call getsourceline() to get the lines.
do_cmdline((char *)firstline, getsourceline, (void *)&cookie,
DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_REPEAT);
}
retval = OK;
if (l_do_profiling == PROF_YES) {
// Get "si" again, "script_items" may have been reallocated.
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on) {
si->sn_pr_start = profile_end(si->sn_pr_start);
si->sn_pr_start = profile_sub_wait(wait_start, si->sn_pr_start);
si->sn_pr_total = profile_add(si->sn_pr_total, si->sn_pr_start);
si->sn_pr_self = profile_self(si->sn_pr_self, si->sn_pr_start,
si->sn_pr_children);
}
}
if (got_int) {
emsg(_(e_interr));
}
sourcing_name = save_sourcing_name;
sourcing_lnum = save_sourcing_lnum;
if (p_verbose > 1) {
verbose_enter();
smsg(_("finished sourcing %s"), fname);
if (sourcing_name != NULL) {
smsg(_("continuing in %s"), sourcing_name);
}
verbose_leave();
}
if (l_time_fd != NULL) {
vim_snprintf((char *)IObuff, IOSIZE, "sourcing %s", fname);
time_msg((char *)IObuff, &start_time);
time_pop(rel_time);
}
if (!got_int) {
trigger_source_post = true;
}
// After a "finish" in debug mode, need to break at first command of next
// sourced file.
if (save_debug_break_level > ex_nesting_level
&& debug_break_level == ex_nesting_level) {
debug_break_level++;
}
current_sctx = save_current_sctx;
restore_funccal();
if (l_do_profiling == PROF_YES) {
prof_child_exit(&wait_start); // leaving a child now
}
fclose(cookie.fp);
xfree(cookie.nextline);
xfree(firstline);
convert_setup(&cookie.conv, NULL, NULL);
if (trigger_source_post) {
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, false, curbuf);
}
theend:
xfree(fname_exp);
return retval;
}
/// Check if fname was sourced before to finds its SID.
/// If it's new, generate a new SID.
///
/// @param[in] fname file path of script
/// @param[out] ret_sctx sctx of this script
scriptitem_T *get_current_script_id(char_u *fname, sctx_T *ret_sctx)
{
static int last_current_SID_seq = 0;
sctx_T script_sctx = { .sc_seq = ++last_current_SID_seq,
.sc_lnum = 0,
.sc_sid = 0 };
scriptitem_T *si = NULL;
assert(script_items.ga_len >= 0);
for (script_sctx.sc_sid = script_items.ga_len; script_sctx.sc_sid > 0; script_sctx.sc_sid--) {
// We used to check inode here, but that doesn't work:
// - If a script is edited and written, it may get a different
// inode number, even though to the user it is the same script.
// - If a script is deleted and another script is written, with a
// different name, the inode may be re-used.
si = &SCRIPT_ITEM(script_sctx.sc_sid);
if (si->sn_name != NULL && FNAMECMP(si->sn_name, fname) == 0) {
// Found it!
break;
}
}
if (script_sctx.sc_sid == 0) {
si = new_script_item((char *)vim_strsave(fname), &script_sctx.sc_sid);
}
if (ret_sctx != NULL) {
*ret_sctx = script_sctx;
}
return si;
}
/// ":scriptnames"
void ex_scriptnames(exarg_T *eap)
{
if (eap->addr_count > 0) {
// :script {scriptId}: edit the script
if (eap->line2 < 1 || eap->line2 > script_items.ga_len) {
emsg(_(e_invarg));
} else {
eap->arg = (char *)SCRIPT_ITEM(eap->line2).sn_name;
do_exedit(eap, NULL);
}
return;
}
for (int i = 1; i <= script_items.ga_len && !got_int; i++) {
if (SCRIPT_ITEM(i).sn_name != NULL) {
home_replace(NULL, (char *)SCRIPT_ITEM(i).sn_name, (char *)NameBuff, MAXPATHL, true);
vim_snprintf((char *)IObuff, IOSIZE, "%3d: %s", i, NameBuff);
if (!message_filtered(IObuff)) {
msg_putchar('\n');
msg_outtrans((char *)IObuff);
line_breakcheck();
}
}
}
}
#if defined(BACKSLASH_IN_FILENAME)
/// Fix slashes in the list of script names for 'shellslash'.
void scriptnames_slash_adjust(void)
{
for (int i = 1; i <= script_items.ga_len; i++) {
if (SCRIPT_ITEM(i).sn_name != NULL) {
slash_adjust(SCRIPT_ITEM(i).sn_name);
}
}
}
#endif
/// Get a pointer to a script name. Used for ":verbose set".
/// Message appended to "Last set from "
char_u *get_scriptname(LastSet last_set, bool *should_free)
{
*should_free = false;
switch (last_set.script_ctx.sc_sid) {
case SID_MODELINE:
return (char_u *)_("modeline");
case SID_CMDARG:
return (char_u *)_("--cmd argument");
case SID_CARG:
return (char_u *)_("-c argument");
case SID_ENV:
return (char_u *)_("environment variable");
case SID_ERROR:
return (char_u *)_("error handler");
case SID_WINLAYOUT:
return (char_u *)_("changed window size");
case SID_LUA:
return (char_u *)_("Lua");
case SID_API_CLIENT:
snprintf((char *)IObuff, IOSIZE, _("API client (channel id %" PRIu64 ")"), last_set.channel_id);
return IObuff;
case SID_STR:
return (char_u *)_("anonymous :source");
default: {
char *const sname = (char *)SCRIPT_ITEM(last_set.script_ctx.sc_sid).sn_name;
if (sname == NULL) {
snprintf((char *)IObuff, IOSIZE, _("anonymous :source (script id %d)"),
last_set.script_ctx.sc_sid);
return IObuff;
}
*should_free = true;
return (char_u *)home_replace_save(NULL, sname);
}
}
}
#if defined(EXITFREE)
void free_scriptnames(void)
{
profile_reset();
# define FREE_SCRIPTNAME(item) xfree((item)->sn_name)
GA_DEEP_CLEAR(&script_items, scriptitem_T, FREE_SCRIPTNAME);
}
#endif
linenr_T get_sourced_lnum(LineGetter fgetline, void *cookie)
FUNC_ATTR_PURE
{
return fgetline == getsourceline
? ((struct source_cookie *)cookie)->sourcing_lnum
: sourcing_lnum;
}
/// Get one full line from a sourced file.
/// Called by do_cmdline() when it's called from do_source().
///
/// @return pointer to the line in allocated memory, or NULL for end-of-file or
/// some error.
char *getsourceline(int c, void *cookie, int indent, bool do_concat)
{
struct source_cookie *sp = (struct source_cookie *)cookie;
char *line;
char *p;
// If breakpoints have been added/deleted need to check for it.
if (sp->dbg_tick < debug_tick) {
sp->breakpoint = dbg_find_breakpoint(true, (char_u *)sp->fname, sourcing_lnum);
sp->dbg_tick = debug_tick;
}
if (do_profiling == PROF_YES) {
script_line_end();
}
// Set the current sourcing line number.
sourcing_lnum = sp->sourcing_lnum + 1;
// Get current line. If there is a read-ahead line, use it, otherwise get
// one now.
if (sp->finished) {
line = NULL;
} else if (sp->nextline == NULL) {
line = get_one_sourceline(sp);
} else {
line = sp->nextline;
sp->nextline = NULL;
sp->sourcing_lnum++;
}
if (line != NULL && do_profiling == PROF_YES) {
script_line_start();
}
// Only concatenate lines starting with a \ when 'cpoptions' doesn't
// contain the 'C' flag.
if (line != NULL && do_concat && (vim_strchr(p_cpo, CPO_CONCAT) == NULL)) {
// compensate for the one line read-ahead
sp->sourcing_lnum--;
// Get the next line and concatenate it when it starts with a
// backslash. We always need to read the next line, keep it in
// sp->nextline.
// Also check for a comment in between continuation lines: "\ .
sp->nextline = get_one_sourceline(sp);
if (sp->nextline != NULL
&& (*(p = skipwhite(sp->nextline)) == '\\'
|| (p[0] == '"' && p[1] == '\\' && p[2] == ' '))) {
garray_T ga;
ga_init(&ga, (int)sizeof(char_u), 400);
ga_concat(&ga, line);
while (sp->nextline != NULL
&& concat_continued_line(&ga, 400, (char_u *)sp->nextline,
STRLEN(sp->nextline))) {
xfree(sp->nextline);
sp->nextline = get_one_sourceline(sp);
}
ga_append(&ga, NUL);
xfree(line);
line = ga.ga_data;
}
}
if (line != NULL && sp->conv.vc_type != CONV_NONE) {
char *s;
// Convert the encoding of the script line.
s = (char *)string_convert(&sp->conv, (char_u *)line, NULL);
if (s != NULL) {
xfree(line);
line = s;
}
}
// Did we encounter a breakpoint?
if (sp->breakpoint != 0 && sp->breakpoint <= sourcing_lnum) {
dbg_breakpoint((char_u *)sp->fname, sourcing_lnum);
// Find next breakpoint.
sp->breakpoint = dbg_find_breakpoint(true, (char_u *)sp->fname, sourcing_lnum);
sp->dbg_tick = debug_tick;
}
return line;
}
static char *get_one_sourceline(struct source_cookie *sp)
{
garray_T ga;
int len;
int c;
char *buf;
#ifdef USE_CRNL
int has_cr; // CR-LF found
#endif
bool have_read = false;
// use a growarray to store the sourced line
ga_init(&ga, 1, 250);
// Loop until there is a finished line (or end-of-file).
sp->sourcing_lnum++;
for (;;) {
// make room to read at least 120 (more) characters
ga_grow(&ga, 120);
buf = ga.ga_data;
retry:
errno = 0;
if (fgets(buf + ga.ga_len, ga.ga_maxlen - ga.ga_len,
sp->fp) == NULL) {
if (errno == EINTR) {
goto retry;
}
break;
}
len = ga.ga_len + (int)STRLEN(buf + ga.ga_len);
#ifdef USE_CRNL
// Ignore a trailing CTRL-Z, when in Dos mode. Only recognize the
// CTRL-Z by its own, or after a NL.
if ((len == 1 || (len >= 2 && buf[len - 2] == '\n'))
&& sp->fileformat == EOL_DOS
&& buf[len - 1] == Ctrl_Z) {
buf[len - 1] = NUL;
break;
}
#endif
have_read = true;
ga.ga_len = len;
// If the line was longer than the buffer, read more.
if (ga.ga_maxlen - ga.ga_len == 1 && buf[len - 1] != '\n') {
continue;
}
if (len >= 1 && buf[len - 1] == '\n') { // remove trailing NL
#ifdef USE_CRNL
has_cr = (len >= 2 && buf[len - 2] == '\r');
if (sp->fileformat == EOL_UNKNOWN) {
if (has_cr) {
sp->fileformat = EOL_DOS;
} else {
sp->fileformat = EOL_UNIX;
}
}
if (sp->fileformat == EOL_DOS) {
if (has_cr) { // replace trailing CR
buf[len - 2] = '\n';
len--;
ga.ga_len--;
} else { // lines like ":map xx yy^M" will have failed
if (!sp->error) {
msg_source(HL_ATTR(HLF_W));
emsg(_("W15: Warning: Wrong line separator, ^M may be missing"));
}
sp->error = true;
sp->fileformat = EOL_UNIX;
}
}
#endif
// The '\n' is escaped if there is an odd number of ^V's just
// before it, first set "c" just before the 'V's and then check
// len&c parities (is faster than ((len-c)%2 == 0)) -- Acevedo
for (c = len - 2; c >= 0 && buf[c] == Ctrl_V; c--) {}
if ((len & 1) != (c & 1)) { // escaped NL, read more
sp->sourcing_lnum++;
continue;
}
buf[len - 1] = NUL; // remove the NL
}
// Check for ^C here now and then, so recursive :so can be broken.
line_breakcheck();
break;
}
if (have_read) {
return ga.ga_data;
}
xfree(ga.ga_data);
return NULL;
}
/// ":scriptencoding": Set encoding conversion for a sourced script.
/// Without the multi-byte feature it's simply ignored.
void ex_scriptencoding(exarg_T *eap)
{
struct source_cookie *sp;
char *name;
if (!getline_equal(eap->getline, eap->cookie, getsourceline)) {
emsg(_("E167: :scriptencoding used outside of a sourced file"));
return;
}
if (*eap->arg != NUL) {
name = (char *)enc_canonize((char_u *)eap->arg);
} else {
name = eap->arg;
}
// Setup for conversion from the specified encoding to 'encoding'.
sp = (struct source_cookie *)getline_cookie(eap->getline, eap->cookie);
convert_setup(&sp->conv, (char_u *)name, p_enc);
if (name != eap->arg) {
xfree(name);
}
}
/// ":finish": Mark a sourced file as finished.
void ex_finish(exarg_T *eap)
{
if (getline_equal(eap->getline, eap->cookie, getsourceline)) {
do_finish(eap, false);
} else {
emsg(_("E168: :finish used outside of a sourced file"));
}
}
/// Mark a sourced file as finished. Possibly makes the ":finish" pending.
/// Also called for a pending finish at the ":endtry" or after returning from
/// an extra do_cmdline(). "reanimate" is used in the latter case.
void do_finish(exarg_T *eap, int reanimate)
{
int idx;
if (reanimate) {
((struct source_cookie *)getline_cookie(eap->getline,
eap->cookie))->finished = false;
}
// Cleanup (and deactivate) conditionals, but stop when a try conditional
// not in its finally clause (which then is to be executed next) is found.
// In this case, make the ":finish" pending for execution at the ":endtry".
// Otherwise, finish normally.
idx = cleanup_conditionals(eap->cstack, 0, true);
if (idx >= 0) {
eap->cstack->cs_pending[idx] = CSTP_FINISH;
report_make_pending(CSTP_FINISH, NULL);
} else {
((struct source_cookie *)getline_cookie(eap->getline,
eap->cookie))->finished = true;
}
}
/// @return true when a sourced file had the ":finish" command: Don't give error
/// message for missing ":endif".
/// false when not sourcing a file.
bool source_finished(LineGetter fgetline, void *cookie)
{
return getline_equal(fgetline, cookie, getsourceline)
&& ((struct source_cookie *)getline_cookie(fgetline, cookie))->finished;
}
/// ":checktime [buffer]"
void ex_checktime(exarg_T *eap)
{

154
src/nvim/ex_getln.c
View File

@ -5670,160 +5670,6 @@ static int ExpandUserLua(expand_T *xp, int *num_file, char ***file)
return OK;
}
/// Expand color scheme, compiler or filetype names.
/// Search from 'runtimepath':
/// 'runtimepath'/{dirnames}/{pat}.vim
/// When "flags" has DIP_START: search also from 'start' of 'packpath':
/// 'packpath'/pack/ * /start/ * /{dirnames}/{pat}.vim
/// When "flags" has DIP_OPT: search also from 'opt' of 'packpath':
/// 'packpath'/pack/ * /opt/ * /{dirnames}/{pat}.vim
/// When "flags" has DIP_LUA: search also performed for .lua files
/// "dirnames" is an array with one or more directory names.
static int ExpandRTDir(char_u *pat, int flags, int *num_file, char ***file, char *dirnames[])
{
*num_file = 0;
*file = NULL;
size_t pat_len = STRLEN(pat);
garray_T ga;
ga_init(&ga, (int)sizeof(char *), 10);
// TODO(bfredl): this is bullshit, exandpath should not reinvent path logic.
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = STRLEN(dirnames[i]) + pat_len + 7;
char_u *s = xmalloc(size);
snprintf((char *)s, size, "%s/%s*.vim", dirnames[i], pat);
globpath(p_rtp, s, &ga, 0);
if (flags & DIP_LUA) {
snprintf((char *)s, size, "%s/%s*.lua", dirnames[i], pat);
globpath(p_rtp, s, &ga, 0);
}
xfree(s);
}
if (flags & DIP_START) {
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = STRLEN(dirnames[i]) + pat_len + 22;
char_u *s = xmalloc(size);
snprintf((char *)s, size, "pack/*/start/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
if (flags & DIP_LUA) {
snprintf((char *)s, size, "pack/*/start/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
}
xfree(s);
}
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = STRLEN(dirnames[i]) + pat_len + 22;
char_u *s = xmalloc(size);
snprintf((char *)s, size, "start/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
if (flags & DIP_LUA) {
snprintf((char *)s, size, "start/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
}
xfree(s);
}
}
if (flags & DIP_OPT) {
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = STRLEN(dirnames[i]) + pat_len + 20;
char_u *s = xmalloc(size);
snprintf((char *)s, size, "pack/*/opt/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
if (flags & DIP_LUA) {
snprintf((char *)s, size, "pack/*/opt/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
}
xfree(s);
}
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = STRLEN(dirnames[i]) + pat_len + 20;
char_u *s = xmalloc(size);
snprintf((char *)s, size, "opt/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
if (flags & DIP_LUA) {
snprintf((char *)s, size, "opt/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
}
xfree(s);
}
}
for (int i = 0; i < ga.ga_len; i++) {
char_u *match = ((char_u **)ga.ga_data)[i];
char_u *s = match;
char_u *e = s + STRLEN(s);
if (e - s > 4 && (STRNICMP(e - 4, ".vim", 4) == 0
|| ((flags & DIP_LUA)
&& STRNICMP(e - 4, ".lua", 4) == 0))) {
e -= 4;
for (s = e; s > match; MB_PTR_BACK(match, s)) {
if (vim_ispathsep(*s)) {
break;
}
}
s++;
*e = NUL;
assert((e - s) + 1 >= 0);
memmove(match, s, (size_t)(e - s) + 1);
}
}
if (GA_EMPTY(&ga)) {
return FAIL;
}
/* Sort and remove duplicates which can happen when specifying multiple
* directories in dirnames. */
ga_remove_duplicate_strings(&ga);
*file = ga.ga_data;
*num_file = ga.ga_len;
return OK;
}
/// Expand loadplugin names:
/// 'packpath'/pack/ * /opt/{pat}
static int ExpandPackAddDir(char_u *pat, int *num_file, char ***file)
{
garray_T ga;
*num_file = 0;
*file = NULL;
size_t pat_len = STRLEN(pat);
ga_init(&ga, (int)sizeof(char *), 10);
size_t buflen = pat_len + 26;
char_u *s = xmalloc(buflen);
snprintf((char *)s, buflen, "pack/*/opt/%s*", pat); // NOLINT
globpath(p_pp, s, &ga, 0);
snprintf((char *)s, buflen, "opt/%s*", pat); // NOLINT
globpath(p_pp, s, &ga, 0);
xfree(s);
for (int i = 0; i < ga.ga_len; i++) {
char_u *match = ((char_u **)ga.ga_data)[i];
s = (char_u *)path_tail((char *)match);
memmove(match, s, STRLEN(s) + 1);
}
if (GA_EMPTY(&ga)) {
return FAIL;
}
// Sort and remove duplicates which can happen when specifying multiple
// directories in dirnames.
ga_remove_duplicate_strings(&ga);
*file = ga.ga_data;
*num_file = ga.ga_len;
return OK;
}
/// Expand `file` for all comma-separated directories in `path`.
/// Adds matches to `ga`.
void globpath(char_u *path, char_u *file, garray_T *ga, int expand_options)

1088
src/nvim/runtime.c
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